National Provider Identifier
Reed P Haag, M.D.
Reed P Haag, M.D. is listed in the NPPES registry with a primary specialty of Internal Medicine Physician in Attica, NY and a listed phone number of (585) 708-4024.
Source: public NPPES record, last updated November 10, 2025. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1427199827
- Provider Type
- Individual
- Primary Specialty
- Internal Medicine Physician
- Enumeration Date
- February 09, 2007
- Last Updated
- November 10, 2025
Practice Location
- 121 Prospect St
- Attica, NY 14011
Phone: (585) 708-4024
Mailing Address
- 722 W Water St
- Elmira, NY 14905-2435
Specialties
- Internal Medicine Physician (207R00000X)
Browse Similar Providers
See more providers in the Internal Medicine classification in Attica, NY.
Medicare Part B Activity
Reported 60 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Internal Medicine providers in the St Thomas, VI metro area.
This provider is in the 8th percentile for Medicare service volume.
Lower volume than many peers.
Performs 90% fewer Medicare services than the peer median.
Higher than 131 of 1,617 peers.
- Activity Percentile
- 8.1%
- Rank by Services
- 1,482 of 1,617
- Total Services
- 60
- Est. Allowed Value
- $8,369.86
- Dataset Year
- 2024
- Drug Code Share
- 0.0%
Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.
Peers are grouped by the broader Internal Medicine classification rather than the exact subspecialty label shown elsewhere on the page.
Percentile distribution
Each bar represents a 10-point percentile band of peers by total Medicare services for Internal Medicine across the St Thomas, VI metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 11 to 403,952 total Medicare services.
Top Clinical Services
- 99214: Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
48 services | $5,850.36
- 99205: New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
12 services | $2,519.50
Biography
Reed Haag, MD, is an internal medicine physician in Attica who has been in practice for decades. Public profiles indicate that he graduated from Hahnemann University School of Medicine in 1987 and completed internal medicine training at Robert Packer Hospital. A distinguishing recent detail is that he is listed as the physician manager of Haag Medical PLLC, reflecting an independent practice presence in this part of western New York.
Full Record
- NPI
- 1427199827
- Entity Type
- Individual
- Last Name
- Haag
- First Name
- Reed
- Middle Name
- P
- Credential
- M.D.
- Mailing Street Address
- 722 W Water St
- Mailing City
- Elmira
- Mailing State
- NY
- Mailing ZIP Code
- 14905-2435
- Mailing Country
- US
- Mailing Phone
- (607) 271-2050
- Mailing Fax
- (607) 271-2099
- Practice Street Address
- 121 Prospect St
- Practice City
- Attica
- Practice State
- NY
- Practice ZIP Code
- 14011
- Practice Country
- US
- Practice Phone
- (585) 708-4024
- Practice Fax
- (585) 708-4042
- Enumeration Date
- February 09, 2007
- Last Updated
- November 10, 2025
- Sex
- Male
- Sole Proprietor
- Yes
- Certification Date
- November 10, 2025
- Taxonomies
- Internal Medicine Physician (207R00000X)
- Other Identifiers
- 01274735 (NY)